Finding the Fourth Proportional to 330,996,341.16, 456,774,948.99 and 191,847,815.31
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Solution
The fourth proportional to 330,996,341.16, 456,774,948.99 and 191,847,815.31 is: 264,749,984.08
Step by Step Solution
- Step 1: Write the proportion equation
330,996,341.16 : 456,774,948.99 = 191,847,815.31 : x - Step 2: Convert to fraction form
330,996,341.16/456,774,948.99 = 191,847,815.31/x - Step 3: Cross multiply
330,996,341.16x = 456,774,948.99 × 191,847,815.31 - Step 4: Simplify right side
330,996,341.16x = 87,631,276,052,068,192 - Step 5: Solve for x
x = 87,631,276,052,068,192/330,996,341.16 - Step 6: Final answer
x = 264,749,984.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.